Routes traversed by European and Asiatic Explorers beyond the British Frontier, in connection with the operations of the Trigonometrical Branch, Survey of India, from 1865 to 1883.

Shows routes of the Pundits: Nain Singh; Kishen Singh; Kalian Singh; Mani Singh; The Mullah; The Havildar; The Mirza; Hari Ram & Sarat Chandra Das.

Reference: mr Survey of India 1504